INCOME TAXES - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Effective Income Tax Rate Reconciliation, Amount [Abstract]
U.S. federal statutory income tax rate	$ (7,726)	$ (16,930)	$ (29,939)
U.S. and foreign REIT income	16,569	19,902	32,949
Matariki Group and Rayonier New Zealand Ltd	(7,698)	(11,181)	(23,166)
Change in valuation allowance	(6,695)	(482)	(3,950)
State Net Operating Loss	1,118	0	0
Prepaid land sales	(1,084)	0	0
Internal transfer of assets deferred	0	(1,815)	0
Foreign income tax withholding	(721)	(1,535)	(1,848)
Other	(772)	(899)	718
Income tax expense as reported for net income	$ (7,009)	$ (12,940)	$ (25,236)
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory income tax rate	(21.00%)	(21.00%)	(21.00%)
U.S. and foreign REIT income	45.00%	24.70%	23.10%
Matariki Group and Rayonier New Zealand Ltd	(20.80%)	(13.90%)	(16.20%)
Change in valuation allowance	(18.20%)	(0.60%)	(2.80%)
State Net Operating Loss	3.00%	0.00%	0.00%
Prepaid land sales	(2.90%)	0.00%	0.00%
Internal transfer of assets deferred	0.00%	(2.30%)	0.00%
Foreign income tax withholding	(2.00%)	(1.90%)	(1.30%)
Other	(2.10%)	(1.10%)	0.50%
Income tax expense as reported for net income	(19.00%)	(16.10%)	(17.70%)